Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)
Страница 481
Справка по командам SCPI
OSA
475
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:CHANnel:
NOISe:DISTance[:WAVelength]
Description
This command sets the wavelength distance from
peak to center of noise region for noise
measurement of the selected WDM analysis
channel.
At *RST, this value is not available.
At CALCulate[1..n][:WDM]:CHANnel[:DEFine],
channel noise measurement distance is set to
100.0 GHz.
Syntax
:CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTa
nce[:WAVelength]<wsp><Distance[<wsp>M]>|M
AXimum|MINimum|DEFault
Parameter(s)
Distance:
The program data syntax for <Distance> is
defined as a <numeric_value> element followed
by an optional <SUFFIX PROGRAM DATA>
element. The allowed <SUFFIX PROGRAM
DATA> element is M. The <Distance> special
forms MINimum, MAXimum and DEFault are
accepted on input.
MINimum allows to set the instrument to the
smallest supported value.
MAXimum allows to set the instrument to the
greatest supported value.